Wholesale Cat E390 Excavator Bottom Roller Factory
- Product Quality Guaranteed
- Large Supply
- Competitive Pricing
- Most Makes & Models
- Helpful Customer Service Team
- Professional Tech Support
GFM Factory:
15 Years Experience
Service:
OEM/ODM
Product Type:
Excavator/Bulldozer Parts
Lead Time:
30 Days
MOQ:
1 PC
Color:
Yellow, Black or Customized
In heavy-duty mining and large-scale earthmoving operations, undercarriage reliability directly determines machine productivity and maintenance expenses. As a leading bottom roller factory, GFM manufactures heavy-duty bottom rollers designed to withstand continuous high loads, extreme abrasion, and harsh operating environments. Our engineered Cat E390 excavator bottom roller components deliver maximum wear resistance, structural stability, and seamless operational performance for global fleet owners and equipment distributors.
Product Parameters
The Cat E390 excavator bottom roller is specifically engineered for high-tonnage machinery operating in demanding terrain. GFM utilizes automated precision forging and deep thermal heat treatment to ensure every roller shell resists premature shell cracking and structural fatigue under heavy stress.
| Core Parameter | Standard Specification |
| Applicable Machine | Cat E390 Excavator |
| Shell Material | Forged Alloy Steel (40Mn2 / 50Mn) |
| Surface Hardness | HRC 52-58 |
| Hardened Depth | 8mm – 12mm |
| Sealing System | Dual-Metal Duo-Cone Floating Seal |
| Factory Warranty | 1 Year / 2000 Working Hours |
To complete the heavy-duty shaft assembly, GFM selects premium 45# / 40Cr high-strength steel paired with hardened copper bushings. This high-precision internal structure ensures uniform load distribution across the roller, minimizing friction and extending total undercarriage operational hours.
Product Advantages
Cat E390 bottom roller components engineered by GFM combine advanced metallurgy with precision CNC machining to prevent track misalignment and reduce expensive machine downtime. Selecting high-performance bottom rollers ensures replacement undercarriage parts that equal or exceed original OEM standards.
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Heavy-Duty Forged Alloy Steel: Specially selected high-tensile alloy steel delivers exceptional structural toughness under sudden impacts in mining operations.
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Deep Thermal Heat Treatment: Continuous induction hardening creates a deep wear layer (HRC 52-58), extending overall shell life even on jagged gravel and hard rock surfaces.
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Dual-Metal Floating Seal Technology: High-precision Duo-Cone seals lock in long-life lubrication oil while permanently blocking mud, dust, and water ingress.
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Anti-Derailment Rail Geometry: Precision-machined wheel flanges keep track links properly aligned, dramatically reducing vibration and side wear on track chain assemblies.
Through these structural enhancements, our bottom rollers help fleet managers achieve up to 98% machine uptime, significantly lowering maintenance frequency and replacement overhead.
Product Description
- MOQ: 1 PC
- Payment Method: T/T
- Brand: GFM
- Condition: New
- Color: Yellow, Black or Customized
- Lead Time: 30 days
- Warranty: 1 Year
- Service: OEM or ODM
- Place of Origin: Fujian, China
- Application: Bulldozer
- Packing: Standard Export Wooden Pallet
Features
- Premium Materials: Made with high-quality, wear-resistant steel to ensure a longer lifespan and consistent performance.
- Sealed and Lubricated: Designed with a sealed system that keeps the rollers lubricated, reduces friction, and prevents dirt or water from entering.
- Smooth and Stable Operation: Precision-engineered for balanced movement, improving the efficiency of your machinery.
- Fits Various Models: Offered in single-flange, double-flange, and center-flange designs to suit a wide range of excavators and bulldozers.
- Proven Toughness: Tested to handle heavy loads and operate effectively in rough environments, ensuring minimal downtime.
At GFM Factory, we are committed to delivering high-quality components that enhance the efficiency and longevity of your equipment. Our track rollers are designed to keep your machinery operating at peak performance, reducing downtime and maintenance costs.
For more information or to inquire about specific models, please contact us. GFM Factory – Your Reliable Parts Source!
Specifications

Product Models

Production Process

Packaging and Shipping

Quality Assurance System
Maintaining continuous quality control is at the core of GFM’s manufacturing philosophy as a reliable bottom roller factory. Every production step follows strict quality management standards, ensuring every roller dispatched to international clients delivers consistent, leak-free operation.
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Spectrometric Raw Material Testing: Every steel batch undergoes chemical analysis prior to forging to guarantee structural material purity.
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Ultrasonic Flaw Detection (UT): Forged roller shells are thoroughly inspected to eliminate internal porosity, cracks, and casting defects.
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100% High-Pressure Air Seal Audit: Assembled rollers undergo pressurized leakage testing before lubricated sealing to ensure 100% air-tight reliability.
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Traceable Quality Standards: Every batch receives a certified inspection report matching ISO specifications and customer requirements.
GFM provides a official quality guarantee of at least 1 year or 2000 working hours (whichever comes first), providing complete purchasing confidence for global B2B procurement partners.
Factory Advantages
Established in 2011, GFM is an experienced machinery parts manufacturer specializing in high-performance undercarriage components for excavators and bulldozers. Operating mature automated production lines, our factory achieves a monthly output of 15,000 units with standard lead times of 7-15 days.
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Full Undercarriage Product Range: We supply track rollers, carrier rollers, front idlers, sprockets, track shoes, track link assemblies, and complete track chain groups.
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Wear Parts and Engine Fasteners: Our inventory includes excavator buckets, bucket teeth pins, track bolts and nuts, hardened steel pins, and high-wear bushings.
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Universal OEM Brand Compatibility: Replacement parts are fully compatible with Caterpillar, Komatsu, Hitachi, Volvo, Kobelco, Daewoo, Doosan, Hyundai, Kubota, Bobcat, Yanmar, Sany, Liugong, XCMG, and Shantui.
With flexible MOQ policies and full OEM/ODM custom capabilities, GFM provides end-to-end support for bulk machinery distributors, repair workshops, and custom equipment fabricators globally.
Enhance your heavy equipment durability with direct factory pricing from GFM. Whether you require premium replacement excavator bottom roller assemblies for Cat E390 excavators or customized undercarriage solutions directly from a trusted bottom roller factory, our technical team is ready to assist your procurement needs. Get in touch with GFM today to request a factory quote or ask for a free sample!

REQUEST A QUOTE NOW
Quanzhou Ganfeng Machinery (GFM Parts) Co., Ltd, founded in 2011, is an experienced manufacturer that specializes in excavators and bulldozers’ spare parts, such as undercarriage parts (track rollers, carrier rollers, idlers, sprockets, track shoes, track chains, track groups), bolts, nuts, pins, bushings and more. We cover and stock a wide range of parts applicable to most makes and models available in the market.The compatible brands include Komatsu, Hitachi, Carter, Volvo, Kobelco, Daewoo, Doosan, Hyundai, Kato, Sumitomo, Yuchai, Takeuchi, Sanhe Intelligent, Mitsubishi, Lonking, Liugong, XCMG, etc., covering the mainstream brands on the market.
FAQ
We are an experienced manufacturer. Our factory is located in Xiamei Town, Quanzhou City. Your visit is very welcome.
Please provide us the correct machine model, part number, or some specifications. If they are not standard items, please offer the drawings.
We usually accept T/T; other terms can be negotiated.
Of course, you can. We provide OEM service. If you have samples or drawings along with a mass quantity request, we can customize the goods and offer professional tech support.
GFM has established a complete quality, environmental, and security control system. Every part undergoes rigorous testing and quality control measures before distribution. Our factory adheres to strict safety standards and environmental regulations in the manufacturing processes.
REQUEST A QUOTE NOW
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